Hex key tool



FIG. 1 is a front perspective view of a hex key tool showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof, wherein the components in an alternate position.

The broken lines shown in the drawings depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a hex key tool, as shown and described. 